247157247027 has 8 divisors (see below), whose sum is σ = 331564732864. Its totient is φ = 163760629608.

The previous prime is 247157247023. The next prime is 247157247079. The reversal of 247157247027 is 720742751742.

247157247027 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 247157247027 - 2² = 247157247023 is a prime.

It is a super-3 number, since 3×247157247027³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (247157247023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252716533 + ... + 252717510.

It is an arithmetic number, because the mean of its divisors is an integer number (41445591608).

Almost surely, 2^247157247027 is an apocalyptic number.

247157247027 is a deficient number, since it is larger than the sum of its proper divisors (84407485837).

247157247027 is a wasteful number, since it uses less digits than its factorization.

247157247027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505434209.

The product of its (nonzero) digits is 1536640, while the sum is 48.

Adding to 247157247027 its reverse (720742751742), we get a palindrome (967899998769).

The spelling of 247157247027 in words is "two hundred forty-seven billion, one hundred fifty-seven million, two hundred forty-seven thousand, twenty-seven".